2003 GMC Sierra 3500 Automatic Transmission Line Connectors
Your 2003 GMC Sierra 3500 might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Automatic Transmission Line Connectors you desperately need.
We currently carry 11 Automatic Transmission Line Connectors to choose from for your 2003 GMC Sierra 3500, and our inventory prices range from as little as $6.49 up to $61.99.
On top of low prices, Advance Auto Parts offers 2 different trusted brands of Automatic Transmission Line Connectors for the 2003 GMC Sierra 3500. We only sell parts from trusted brands like Dorman so that you can find quality parts you can count on.
Don’t take our word for it – check out customer ratings and reviews to buy with confidence. We have 252 reviews on our Automatic Transmission Line Connectors for the 2003 GMC Sierra 3500 from previous customers.
Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Automatic Transmission Line Connectors stock in-person!
Automatic Transmission Line Connectors for Your 2003 GMC Sierra 3500
Imperial – Transmission Fitting Kit (Part No.240397)
from
$27.49
Product Features:
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- Transmission line fitting kit
- GM snap-in-style lines
- Helps simplify transmission cooler installation
- Allows for auxiliary transmission cooler installation without cutting OE lines
- Crafted from high-quality material that makes it durable and longer-lasting
- A high quality, direct fit OE replacement
- Easily connects the transmission cooler line to the cooler hose
- Precision machined
Dorman – Transmission Line Quick Connector (Part No.800-726)
from
$37.49
Made of quality materials, this automatic transmission oil cooler line connector matches the fit and function of a damaged original equipment connector to restore leak-free performance between the transmission and the oil cooler.
Product Features:
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Product Features:
- Quality replacement – this transmission cooler connector matches the fit and function of the original equipment connector
- Durable construction – this oil cooler line connector is made of quality materials for a precise fit and leak-free durability
- Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
- Ideal shop supply – this connector is recommended to have on hand any time service is being performed on the transmission oil cooler line
Dorman – Transmission Line Connector With 3/8 Tube X 5/8-18 In. Thread (Part No.800-605)
from
$6.49
Made of quality materials, this automatic transmission oil cooler line connector matches the fit and function of a damaged original equipment connector to restore leak-free performance between the transmission and the oil cooler.
Product Features:
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Product Features:
- Quality replacement – this transmission cooler connector matches the fit and function of the original equipment connector
- Durable construction – this oil cooler line connector is made of quality materials for a precise fit and leak-free durability
- Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
- Ideal shop supply – this connector is recommended to have on hand any time service is being performed on the transmission oil cooler line
Imperial – Transmission Line Fitting Kit (Part No.240390)
from
$14.79
Product Features:
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- Transmission line fitting kit
- GM, Jeep; 5/8″-18 inverted flare
- Helps simplify transmission cooler installation
- Allows for auxiliary transmission cooler installation without cutting OE lines
- Crafted from high-quality material that makes it durable and longer-lasting
- A high quality, direct fit OE replacement
- Easily connects the transmission cooler line to the cooler hose
- Coated for extra protection against corrosion
Dorman – Transmission Line Connector With 3/8 Tube X 1/4-18 In. Thread (Part No.800-604)
from
$8.99
Made of quality materials, this automatic transmission oil cooler line connector matches the fit and function of a damaged original equipment connector to restore leak-free performance between the transmission and the oil cooler.
Product Features:
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Product Features:
- Quality replacement – this transmission cooler connector matches the fit and function of the original equipment connector
- Durable construction – this oil cooler line connector is made of quality materials for a precise fit and leak-free durability
- Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
- Ideal shop supply – this connector is recommended to have on hand any time service is being performed on the transmission oil cooler line
Dorman – Transmission Line Connector With 3/8 Tube X 3/8-18In. Thread (Part No.800-606)
from
$12.49
Made of quality materials, this automatic transmission oil cooler line connector matches the fit and function of a damaged original equipment connector to restore leak-free performance between the transmission and the oil cooler.
Product Features:
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Product Features:
- Quality replacement – this transmission cooler connector matches the fit and function of the original equipment connector
- Durable construction – this oil cooler line connector is made of quality materials for a precise fit and leak-free durability
- Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
- Ideal shop supply – this connector is recommended to have on hand any time service is being performed on the transmission oil cooler line
Dorman – Transmission Line Connector (Part No.800-759)
from
$13.79
Made of quality materials, this automatic transmission oil cooler line connector matches the fit and function of a damaged original equipment connector to restore leak-free performance between the transmission and the oil cooler.
Product Features:
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Product Features:
- Quality replacement – this transmission cooler connector matches the fit and function of the original equipment connector
- Durable construction – this oil cooler line connector is made of quality materials for a precise fit and leak-free durability
- Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
- Ideal shop supply – this connector is recommended to have on hand any time service is being performed on the transmission oil cooler line
Dorman – HD Solutions – Oil Cooler Connector (Part No.800-5600)
from
$24.79
Made of quality materials, this automatic transmission oil cooler line connector matches the fit and function of a damaged original equipment connector to restore leak-free performance between the transmission and the oil cooler.
Product Features:
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Product Features:
- Quality replacement – this transmission cooler connector matches the fit and function of the original equipment connector
- Durable construction – this oil cooler line connector is made of quality materials for a precise fit and leak-free durability
- Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
- Ideal shop supply – this connector is recommended to have on hand any time service is being performed on the transmission oil cooler line
Dorman – Transmission Connector for 5/8 In. Tube 7/8-14 UNF (Part No.800-613)
from
$24.49
Made of quality materials, this automatic transmission oil cooler line connector matches the fit and function of a damaged original equipment connector to restore leak-free performance between the transmission and the oil cooler.
Product Features:
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Product Features:
- Quality replacement – this transmission cooler connector matches the fit and function of the original equipment connector
- Durable construction – this oil cooler line connector is made of quality materials for a precise fit and leak-free durability
- Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
- Ideal shop supply – this connector is recommended to have on hand any time service is being performed on the transmission oil cooler line
Imperial – Oil Cooler Acc (Part No.240380)
from
$61.99
Oil Cooler Acc
Dorman – Oil Cooler Connector (Part No.800-706)
from
$19.29
Made of quality materials, this automatic transmission oil cooler line connector matches the fit and function of a damaged original equipment connector to restore leak-free performance between the transmission and the oil cooler.
Product Features:
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Product Features:
- Quality replacement – this transmission cooler connector matches the fit and function of the original equipment connector
- Durable construction – this oil cooler line connector is made of quality materials for a precise fit and leak-free durability
- Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
- Ideal shop supply – this connector is recommended to have on hand any time service is being performed on the transmission oil cooler line
FAQs for 2003 GMC Sierra 3500 Automatic Transmission Line Connectors
What are the most popular Automatic Transmission Line Connectors for the 2003 GMC Sierra 3500?
With 2 brands you can trust, our most popular Automatic Transmission Line Connectors for the 2003 GMC Sierra 3500 parts are:
from
$6.49
(16)
Transmission Line Connector With 3/8 Tube X 5/8-18 In. Thread
Automatic Transmission Line Connectors
from
$8.99
(9)
Transmission Line Connector With 3/8 Tube X 1/4-18 In. Thread
Automatic Transmission Line Connectors
